_Some are calling it a modern day gold rush, what with ethanol plants sprouting up like weeds across the Great Plains. The problem for conservationists and wildlife officials like [Iowa Department of Natural Resources upland biologist Todd] Bogenschutz, [is that] more corn-based ethanol requires more corn production. And more corn production means far less wildlife habitat — habitat that produces a bounty of pheasants, ducks, songbirds and other wildlife, as well as decreases pollution into our waterways. . . .